(Z)-3-(2-Hydroxy-5-methyl-phenyl)-2,3-diphenyl-propenal, also known as 2,3-diphenyl-3-(2-hydroxy-5-methylphenyl)prop-2-enal, is an organic compound characterized by its molecular formula C21H18O2. (Z)-3-(2-Hydroxy-5-methyl-phenyl)-2,3-diphenyl-propenal features a conjugated enal system with a hydroxyl group at the 2-position and a methyl group at the 5-position of the phenyl ring. The molecule consists of a propenal backbone with two phenyl groups attached to the 2 and 3 positions, respectively. It is a derivative of cinnamaldehyde, which is a common component in the fragrance industry and is known for its strong, sweet, and balsamic odor. The (Z)-isomer indicates the geometric configuration of the double bond, with the phenyl groups on the same side of the double bond. (Z)-3-(2-Hydroxy-5-methyl-phenyl)-2,3-diphenyl-propenal is of interest in the synthesis of various pharmaceuticals, dyes, and other organic compounds due to its unique structure and reactivity.
The CAS Registry Mumber 81009-03-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,0,0 and 9 respectively; the second part has 2 digits, 0 and 3 respectively. Calculate Digit Verification of CAS Registry Number 81009-03: (7*8)+(6*1)+(5*0)+(4*0)+(3*9)+(2*0)+(1*3)=92 92 % 10 = 2 So 81009-03-2 is a valid CAS Registry Number.